March 10, 2008 / 2:45 PM / in 10 years

Space shuttle fueled for liftoff with Japanese lab

CAPE CANAVERAL, Florida (Reuters) - The U.S. space shuttle Endeavour was poised to blast off from its Florida home port on Tuesday to deliver the first part of a huge Japanese laboratory to the International Space Station.

<p>The space shuttle Endeavour stands covered by the Rotating Service Structure at sunrise as workers prepare for mission STS-123 at the Kennedy Space Center in Cape Canaveral, Florida March 10, 2008. Launch of the shuttle with a crew of seven astronauts is scheduled for March 11. REUTERS/Joe Skipper</p>

Technicians at the Kennedy Space Center began filling the ship’s fuel tank on Monday afternoon with more than 500,000 gallons of supercold liquid oxygen and liquid hydrogen for the 2:28 a.m. EDT liftoff from its seaside launchpad.

Endeavour, which flew its first mission in 1992 and is the newest of NASA’s three remaining space shuttles, is scheduled to spend 16 days in orbit -- 12 of them at the space station.

That will be the longest planned visit to date by a shuttle to the orbital outpost, a $100 billion project that is becoming truly multinational this year with last month’s installation of Europe’s first permanent space lab and now Japan‘s.

In addition to a storage and equipment module for Japan’s double-decker bus-sized space lab, the main part of which will be hoisted to space in late May, Endeavour will carry a Canadian two-armed robotic system.

The final section of the $2.4 billion Japanese lab called Kibo, a Japanese word for “hope,” will be launched into space next year.

Space around the station will be more crowded than usual during Endeavour’s mission. Europe’s first cargo ship, an unmanned Automated Transfer Vehicle called Jules Verne, was launched from French Guiana on Saturday and will be hovering near the station during the shuttle’s visit, waiting for its turn to berth.

17,000 MPH

The weather is expected to be nearly ideal for launch, with 90 percent chances conditions will be suitable for an on-time liftoff.

<p>The space shuttle Endeavour stands atop launch pad 39A as final preparations are made for launch at the Kennedy Space Center in Cape Canaveral, March 10, 2008. REUTERS/Pierre DuCharme</p>

NASA technicians began filling the shuttle’s 15-story-tall tank at around 5:15 p.m. EDT.

The fuel will feed Endeavour’s three main engines, which, together with two solid rocket boosters that will be jettisoned on the way up, will take the shuttle to a speed of more than 17,000 mph (28,000 kph) by the time it reaches orbit.

Endeavour’s astronauts plan five spacewalks during their 12 days at the station. Two days will be dedicated to constructing a robotic pair of hands for the station’s crane.

The Canadian addition, called Dextre, spans 30 feet (9 meters) from the tip of one arm to the other and will be able to install and service components as small as a phone book or as large as a phone booth.

Astronauts also plan to test on a spacewalk a heat shield repair technique designed after the 2003 Columbia accident.

Debris damaged Columbia’s wing at launch, causing the ship to break up during its fiery descent through the atmosphere for landing. All seven astronauts aboard were killed.

The experimental repair technique could prove useful during a planned maintenance flight this year to the Hubble Space Telescope, when the space station will not be within reach as a refuge should the shuttle be too damaged to return to Earth.

The United States and Russia lead the 15-nation space station partnership, which includes Canada, Japan and 11 members of the European Space Agency.

NASA has two years to finish constructing the station before the space shuttle fleet is retired.

Additional reporting by Irene Klotz; editing by Tom Brown and Mohammad Zargham

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